Features:Intergrated volume controlSteel reinforced headband for durabilityInto the latest generation of ipod, iphone and ipad manufacturing Advanced Duofol transducer system pumps out rich, lifelike soundDurable: steel core headband with metal connections with high durability Lightweight and comfortable: light and soft ear pads, you may even forget to bring your own headphones Portable accessories: with a convenient carrying case to protect the headset, the headset cord to prevent confusion Extraordinary Sennheiser stereo sound: Powerful magnets can achieve rubidium extremely low distortion, efficient and effective sound reproductionUnique fold and flip design: The winning design allows you to rotate ninety degrees earmuffs, and can be easily folded toward wearing a direction, reduce the volume. Interworking with intelligent remote control: You can change the volume, control music playback options, answer the call and activate the iphone goods end voice control, all of which are built from a sleek device